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Finding the Fourth Proportional to 586,790,812.80, 880,753,089.60 and 357,208,300.80

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Solution

The fourth proportional to 586,790,812.80, 880,753,089.60 and 357,208,300.80 is: 536,157,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,790,812.80 : 880,753,089.60 = 357,208,300.80 : x
  2. Step 2: Convert to fraction form
    586,790,812.80/880,753,089.60 = 357,208,300.80/x
  3. Step 3: Cross multiply
    586,790,812.80x = 880,753,089.60 × 357,208,300.80
  4. Step 4: Simplify right side
    586,790,812.80x = 314,612,314,560,366,144
  5. Step 5: Solve for x
    x = 314,612,314,560,366,144/586,790,812.80
  6. Step 6: Final answer
    x = 536,157,532.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.